--- product_id: 43772157 title: "V1.0B 2 Channel Amplifier Stereo Audio Amp Mini Hi-Fi Class D Integrated TPA3116 Amp for Home Speakers 50W x 2 with 19V 4.74A Power Supply" brand: "fosi audio" price: "₩142304" currency: KRW in_stock: true reviews_count: 13 url: https://www.desertcart.kr/products/43772157-v1-0b-2-channel-amplifier-stereo-audio-amp-mini-hi store_origin: KR region: South Korea --- # 12-24V wide voltage range 2x50W stereo power output Ultra-low heat, silent operation V1.0B 2 Channel Amplifier Stereo Audio Amp Mini Hi-Fi Class D Integrated TPA3116 Amp for Home Speakers 50W x 2 with 19V 4.74A Power Supply **Brand:** fosi audio **Price:** ₩142304 **Availability:** ✅ In Stock ## Summary > 🎶 Elevate your sound game with the powerhouse mini amp that’s small in size but huge on impact! ## Quick Answers - **What is this?** V1.0B 2 Channel Amplifier Stereo Audio Amp Mini Hi-Fi Class D Integrated TPA3116 Amp for Home Speakers 50W x 2 with 19V 4.74A Power Supply by fosi audio - **How much does it cost?** ₩142304 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/43772157-v1-0b-2-channel-amplifier-stereo-audio-amp-mini-hi) ## Best For - fosi audio enthusiasts ## Why This Product - Trusted fosi audio brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Cool & Efficient:** Class D amplifier tech keeps power loss minimal and operation cool, even at high volumes. - • **Power Meets Precision:** Dual TI TPA3116D2 chips deliver crystal-clear 2x50W stereo sound with zero distortion. - • **Built to Last & Impress:** Solid aluminum chassis with built-in speaker protection for durability and premium aesthetics. - • **Plug & Play Versatility:** Supports 12-24V input, perfect for both home setups and professional audio rigs. - • **Whisper-Quiet Performance:** Advanced circuitry ensures dead-silent standby and no audible noise during playback. ## Overview The Fosi Audio V1.0B is a compact, high-efficiency class D stereo amplifier powered by dual Texas Instruments TPA3116D2 chips. It supports a flexible 12-24V input range, delivering up to 50W per channel with crystal-clear audio and minimal distortion. Designed with a robust aluminum chassis and advanced speaker protection, it ensures silent operation and cool performance, making it ideal for both home and professional audio environments. Highly rated for its sound quality, build, and value, the V1.0B is a top choice for audiophiles seeking powerful sound in a sleek, space-saving design. ## Description desertcart.com: Fosi Audio V1.0B 2 Channel Amplifier Stereo Audio Amp Mini Hi-Fi Class D Integrated TPA3116 Amp for Home Speakers 50W x 2 with 19V 4.74A Power Supply : Electronics Review: Great Sound at a Great Price - Small size, good looks, simple functionality, and excellent sound - a great combination. The amp looks and feels solid, no issues with the build quality and craftsmanship. The inputs look nice and the potentiometer feels sturdy. I installed the amplifier for a short test with the following setup: 19 V PSU, 2x 50 W 4 ohm bookshelf speakers, RCA in from a laptop. It sounded good - audio is clear with no noticeable distortion or noise. It was able to get very loud. Currently, the mids are strong and accurate. The highs are solid and clear. Lows/bass could be a little stronger and more rounded, comparable to my old low end Pioneer Hifi amplifier. I got a reasonable volume with this setup, it was the good time to replace the old setup with a new one. The amp didn't get warm to the touch during the 30 minute listening session. I'm pretty impressed with this little amp - great price for such a class d amplifier and I recommend it. Let's hope it will stay functional for a long time. Review: Fantastic little amplifier. - I’ve been using this little amp for about 2 years now and it’s fantastic. Great sound for the money, especially when setup properly. It was on my desk with monitors at ear level and the sound was phenomenal. Now they power the bookshelf speakers with audio from my turntable and it easily fills the house with plenty of range left on the knob. I’ll likely be getting another Fosi amp to replace this one so I can put this one at my desk. Highly recommend. ## Features - Fosi Audio V1.0B mini stereo amplifier includes highly efficient, fully integrated, digital, class D audio amplifier ICs based on NEW amplifier technology, supporting a supply voltage range from 12 V to 24 V, allowing it to be used across home and professional audio applications - V1.0B 2-channel class D amplifier adopts 2PCS Texas Instruments TPA3116D2 chip. The TPA3116D2 are stereo efficient and digital amplifier power stage for driving speakers, with advanced oscillator/PLL circuit employs a multiple switching frequency option to avoid AM interferences. High-performance effectively improve output power and audio quality - Advanced circuitry design, built-in speakers protection circuit, solid aluminum chassis, the home Hi-Fi integrated amplifier create clear and clarity sound, no audible noise, dead silent when nothing is playing through it - V1.0B stereo audio amplifier with very low power loss under all operating conditions. The ultrahigh power efficiency and cool operation make the V1.0G suitable for use in home audio systems - What You Get: V1.0B home integrated amplifier x1, power adapter x1, AC cord x1, user manual x1 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B06XZL2PQD | | Best Sellers Rank | #155,672 in Electronics ( See Top 100 in Electronics ) #909 in Audio Component Amplifiers | | Brand | Fosi Audio | | Customer Reviews | 4.5 out of 5 stars 979 Reviews | | Item Weight | 1.1 pounds | | Manufacturer | Fosi Audio | | Mfr Part Number | V1.0 | | Model Number | V1.0B | | Number of Items | 1 | | Unit Count | 1 Count | | Warranty Description | 18-month manufacturer | ## Product Details - **Item dimensions L x W x H:** 5 x 3 x 1 inches - **Manufacturer:** Fosi Audio - **Maximum Supply Voltage:** 24 Volts - **Minimum Supply Voltage:** 12 Volts (DC) - **Voltage:** 110 Volts (AC) ## Images ![V1.0B 2 Channel Amplifier Stereo Audio Amp Mini Hi-Fi Class D Integrated TPA3116 Amp for Home Speakers 50W x 2 with 19V 4.74A Power Supply - Image 1](https://m.media-amazon.com/images/I/51u3093IhhL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great Sound at a Great Price *by V***® on May 26, 2017* Small size, good looks, simple functionality, and excellent sound - a great combination. The amp looks and feels solid, no issues with the build quality and craftsmanship. The inputs look nice and the potentiometer feels sturdy. I installed the amplifier for a short test with the following setup: 19 V PSU, 2x 50 W 4 ohm bookshelf speakers, RCA in from a laptop. It sounded good - audio is clear with no noticeable distortion or noise. It was able to get very loud. Currently, the mids are strong and accurate. The highs are solid and clear. Lows/bass could be a little stronger and more rounded, comparable to my old low end Pioneer Hifi amplifier. I got a reasonable volume with this setup, it was the good time to replace the old setup with a new one. The amp didn't get warm to the touch during the 30 minute listening session. I'm pretty impressed with this little amp - great price for such a class d amplifier and I recommend it. Let's hope it will stay functional for a long time. ### ⭐⭐⭐⭐⭐ Fantastic little amplifier. *by T***S on January 17, 2026* I’ve been using this little amp for about 2 years now and it’s fantastic. Great sound for the money, especially when setup properly. It was on my desk with monitors at ear level and the sound was phenomenal. Now they power the bookshelf speakers with audio from my turntable and it easily fills the house with plenty of range left on the knob. I’ll likely be getting another Fosi amp to replace this one so I can put this one at my desk. Highly recommend. ### ⭐⭐⭐⭐⭐ Simple, easy, inexpensive, great. *by J***E on May 28, 2026* I bought this to drive two passive Polk bookshelf speakers and an active subwoofer. It works great. The power light is red and noticeable but not bright, and the little switch is nice. I like that it has few features. It's just power and volume. If you're branching off of one channel to send input to your subwoofer like I am, you will need to run at a much higher volume on this amp and lower the volume at the source. If you don't, the volume levels are very unbalanced. You may also be able to add a resistor on the speaker not tied to the subwoofer to fix this, but I haven't tried this. This isn't an issue, but it is something to note. Even with this "issue" I basically never go past 1/4 volume for my speakers. It can get way more than loud enough for bookshelf speakers. ## Frequently Bought Together - Fosi Audio V1.0B 2 Channel Amplifier Stereo Audio Amp Mini Hi-Fi Class D Integrated TPA3116 Amp for Home Speakers 50W x 2 with 19V 4.74A Power Supply - Fosi Audio K5 Pro Gaming DAC Headphone Amplifier Mini Hi-Fi Stereo Digital-to-Analog Audio Converter USB Type C/Optical/Coaxial to RCA/3.5MM AUX for PS5/PC/MAC/Computer --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.kr/products/43772157-v1-0b-2-channel-amplifier-stereo-audio-amp-mini-hi](https://www.desertcart.kr/products/43772157-v1-0b-2-channel-amplifier-stereo-audio-amp-mini-hi) --- *Product available on Desertcart South Korea* *Store origin: KR* *Last updated: 2026-09-09*